Finding the Fourth Proportional to 98,855.81, 148,134.06 and 65,456.27

Step by Step Solution

1. Step 1: Write the proportion equation
   98,855.81 : 148,134.06 = 65,456.27 : x
2. Step 2: Convert to fraction form
   98,855.81/148,134.06 = 65,456.27/x
3. Step 3: Cross multiply
   98,855.81x = 148,134.06 × 65,456.27
4. Step 4: Simplify right side
   98,855.81x = 9,696,302,286.89
5. Step 5: Solve for x
   x = 9,696,302,286.89/98,855.81
6. Step 6: Final answer
   x = 98,085.31